>>8465968I don't have better references, sorry, but I'll try to awsher your inquiries.
- Her face is hidden by a curse, the shadows obscuring it will not dissipate without divine intervention or very powerful magic.
- Her legs are... normal human legs. It may vary depending on context and location but she'll usually wear elegant shoes or boots, often with stockings, or sometimes go barefeet. She'll always go through great lengths to be fashionable when expecting guests, and that include her footwear. She might wear a comfy night gown and fluffy slippers if the would-be heroes surprise her in her bedroom.
- Her hands are usually covered with gloves, often with clawed gauntlets on top.
- The sigil is magical, but serve no practical purpose beyond enhancing her presence. She actively maintain it whenever interacting with her lessers, it may weaken or disappear if she's incapacitated, or be absent if she's taken off guard.
Anything else you want to know? You can take some liberties with her outfit if you want, she's not wearing the same regalia every day.